Antifriction journal bearing



Jan. 13, 1931. J. F. ocoNNoR I 1,788,539

ANTIFRCTION JOURNAL BEARING Original Filed Sept. 21, 1927 Patented J an.193

UNITI-:u STATES-Q PATENT formes s JOHN'F. ocoNNon, or eHIcAGo, ILLINOIS,AssIGNon To' W. rr. MINER, Inc., or

CHICAGO, ILLINOIS, A coRroRA'rIoNor DELAWARE i i ANTI'FRIGTILON JOURNALBEARING Application filed September 21, 1927, Serial No, 220,902.`Renewed July 11.1%.,1930.` I.

This invention relates to improvements in anti-friction journalbearings. A j' An object ofthe invention is .to provide an lanti-friction bearing arrangement more par 5 ticularly adapted for usein connection with the journal boxes and journals of railway cars, andwherein the component parts of the arrangement are so disposed thattheload imposed upon the journal bor:` isftrans.-

Y l' mittedto the journal in such manner that the anti-friction elementsr-emotei'rom theA point or' application of theload, operat'eto Y sustainpart of the load all times, as distinguished from anti-,frictionbearings where-` in only vthe anti-friction elements interposed betweenthe point of applicationof the load andthe journal supportthe entireload, while theanti-'friction elements at remote points sustain'no load.l 20 `A more specii'ic object ofthe invention is to provide ananti-friction arrangement of the character referred to, wherein -aplurality or,

race rings are provided, certain or" which Vare mounted on the journal,and other of'which are spaced from the journal and `carried vlby thejournal bonthe two sets oi' racerings lbeing disposed in overlappingrelation and provided with raceways,V adapted orthe reception of theanti-rictioneements so that the latter are arranged verticallyin shear,

Another object of the invention is ,to pro-v vide a construction whereinalloijtheI race rings', necessary to the operation'of the device,A maybe completely assembled with reference to the journal and held inposition thereon' by aloclr nut. Y j

Other and further obj ectsjof the invention will more clearly appearfrom the description and claims hereinafter following.

ln the drawings forming part of this specication Jldigure l is asideelevational'view of a'fragment of a railway car truclnshowing a truckpedestal member and a journal box', r embodying the invention'mounted inthe pedestal member. `Figure Bis a transverse,

vertical, sectional view, corresponding substantially to the line 2-2 ofFigure l. And Figure 3 is a vertical, sectional'view, correspendingsubstantially to the line '5U Figure 2;

As shown in the drawings represents a fragmentJ of a body portion loit,a car truck, and ll represents acommon type of pedestal member mountedthereon, having the usual y' spaced jaws, `between which is slidablydis.

posed a journalrbox l2 embodying the in# .v

vention. The numerall?) indicates one'end oi2 an equalizer barwhichbears upon the top of thejournal box l2 and transmits the load ffrom the frame of the truckfto the top of the journal boznwhich in turntransmits the load to the axle as will be readily'u'nderstood.

The invention contemplates broadly the4` provisionlo ajournal A, VraceringsB, antfriction elements C, journal box-proper D and journal box capE. Y i v j l j The journal A is or' special vi'ormationj l having areduced cylindrical Lportion l providing an annular shoulder l5 yatitsinner extremity, while the outer endof the cylindrical portion 14 isstill further reduced to provide a projection 16, threaded on itsexterior surface. A,ll/lounted upon the cylindrical section 14- o ytheljournal is` a pair of oppositely disposed collars, SlT-.17, each ofsaid collars at itsouter end being provided with an annular fiange 18.lEachannular IlangelS on its inner surface irs-provided with anvannulargroove indicated :at 19, and with oil holes indicated at 20 which entendfrom .theouterside of the langeinto the groove.

The Collarsl'-vlk are held in position by means of a washer 2lwhichbears against the outer collar 17Ijo'rcing, thesamel inwardlyagainst the inner collar ,17. which abuts against the 'shoulder l5 on'the axle, the washer QI-beingheld inposition by means of 4 anut 2Q.threaded uponA the cylindrical portion 16 on the journal, said nut beinglocked in positionby a pin 23. fy j Disposed between the flangesfl8-,-l8of the ycellars 174-17 arethe race rings-B. j These rings aredivided into'twlo sets, those indicated at 24e-QA Y which 'co-operatewith the journal Ybox lDand are spaced from the v.col-t lars 17 -17andthosewhich are carried by the collars 17e-17,' andV indicatedh aty25, the rings Y2li and 25 beingY disposed Ain alternate overlappingrelation.V Each of the rings 24-and is provided on its opposite surfaceswith annular grooves, the annular grooves of the adjacent rings 24 and25 registering and together providing annular raceyvays adapted for thereception of an annular series or the anti-friction elements C. Each of-said annular grooves is defined by Vabottom VWall 24a, and sidewalls'25a, the Walls'25a extending substantially at right angles to theplane,

0f @eeh ring. The anti-friction elements C are in the form of rollers,and-are so properT tioned that When the rings 24 and 25 are in operativeposition, each roller, nf eaehannular series of. rollers, is disposedapproximately half inthe annular grooye inonelof'the rings 24, andapproximately half in the annular groove ofthe adjacent ring 25, 'therebeing six annular series of rollers, as Shown in Figure 2, each seriesbeing arranged between the alternately disposed rings l2,4 and 25 andbetween the Ven d rings 24 and-the annularilanges '18 on the collars 17.

rlhe journal box vvD VcomprisesAside, top, bottom and rear Walls, therear wall '26* having an annular 'aperture fitting' about the largerportion ofthe axle, the kedge- .of the Wall defining said opening..having packing v.material- 27' arranged in a groove therein;

The top Wall of the 'journal' box D is provided with the usual "spacedVflanges 28. `28,

and an equalizer seat 29, for the reception of the end of the equalizerbar 13;; Thel journal box KD 'is V provided With a central annularrecess 31 invvhich is placed an annular liner Y3() upon Which kthecircumferential peripheriesof'the race rings 24 bear.

, The journal box D has its o pen end `closed byV means of the capE. Thecap E is provided With flanges 32 through which bolts83 are vext-endedinto the Vbody portionof the journal box for securing the fcap rigidlyin positiomthe anges 32 cpo-operating Withithe flanges '34 on thejournal box D to provide guide vmeans for Ymaintaining-the ournal box Ain .slidable relation'with thejayvsof the pedestalmember 11;

In'asseinbling the construction, thejournal box 1D, with the liner 30,and'yvithout'the VVcap E, is ffirst placed in position on the axle. TheAracefrings 24'and 25, and the anti-friction elements G, are then-placed'in Vvposition Vwith respectto the collars Y17 17, "this 4beingpermitted by'reason of the fact 'that'the collars may be 'separated Whendesired.V After the race rings and anti-frictionelements are in positionwith respect tothe collars 1T-.17,

. the collars aref'slipped onto thel cylindrical portion 140i?thejournal and into the :liner Y the Washer 21 then beind'applied, andthe nut 22 screwed into. place, clampingthe col: 'lars` between the,shoulder 15 on the axleY and the Washer 2.1, The .cap E isfthen appliedand the journal boxisthus lmade ready-for operatin. in the pedestal jawsai the pedestal mem- In operation, the load from the equalizer y bar 13is transmitted to the top or' the journal box, thence to the annularliner 30, and

through said annular liner to the upper ends i 01": the race rings 24;the load is then transmitted through the anti-friction element-s C totherace rings- 25,1'Which-bear upon the collars 1?-"17 which bear directlyon cylin- 4dricalrportion 14 of the axle. Due to the imposition Aet theload uponrtherings124,tand the relatively lined conditioner the rings 25VWith reference to the journal, the rings 24 Y than in a verticaldirection, the load is'transyInitted in the same manner through the racerings and the annular series of rollers'.

Vmovement betweenthe rings 24 and 25 other j l haveherein (shown vanddescribed what I noW consider the preferred manner of carrying' out myinvent-iom'but the same is merely illustrative and Icont-emplate allchanges and modifications that.comeivithinthe scope of the claimsappended hereto;

.I claim:

1. In a construction or the `character described, the combination'with ajournal box and a ournal; of a plurality or race rings dis-V posed aboutsaid journal and having'their outer peripheries bearing on said journalbox, while their inner peripheries are spaced from said journal; aplurality oi' journal race ringsiixed on'said journal and project- Y ingbetween the journal box race rings so as to be'relatiyely movable withrespect thereto,

the outer peripheries of said journalfrace rings being spaced from theWalls of the journalbox, each or said journal box race rings and each ofsaid journal race rings,having an annular. groove therein,presentingopposed: curved Wallsftorming raceways`;a1l` aplurahty orseries oranti-friction elements` disposedbetweenthe' journal box racerings.

and theV journal race rings, eachof said antifriction elements of `eachseries projecting partially into 4the annulargrooyes of the two,

adjacent journal 'box and Vjournal race ring-s and cooperating with both.of vthe VraceWaysv of each groove.

scribed, the combination with a journal .box and a journal; of apluralityvof .race rings disposed in Vsaid journal box and ,extendingabout said journal and having their inner peripheries spaced from thelatter, each vof 2. In fa construction or the character de- Asaid racerings being provided With annular grooyes on opposite sides thereof,each groove presenting opposed curved Walls disposedzin curved planessubstantially concentric to the a-Xis of the journal; a plurality ofjournal race" ing annular groove of the adjacent journal race ring, andadapted to cooperate with both of the opposed walls of each groove.

8.111 a construction of the character described, the combination with ajournal; of a plurality of journal race rings disposed about saidjournal, each of said rings being provided with annular grooves onopposite sides having spaced opposed curved bear ing surfacessurrounding the aXis of the our;

nal said'ournal race rings beine' arrangedV 7 22 b t3 in spacedrelation; additional race rings each having grooves corresponding to thegrooves in said journal `race rings each having spaced opposed curvedbearing surfaces surround ing the axis of the journal, said last namedrace rings, and projecting in the spaces between said journal racerings, but having their inner peripheries spaced from said journal, andhaving their` outer peripheries proj ecting beyond the outerperipheriesof said journal race rings; anti-friction means interposedbetween the journal race rings and the additional race rings, saidmeans'comprising aplurality of elements, each of which is disposedpartly within one of the grooves of one of the journal race. ringsandpartly in the groove of the adjacent additional race ring between thespaced bearing surfaces of each of saidgrooves respectively; and meansfor holding all of saidrace `rings and antifriction means in operativerelation with respect to said journal.r Y

4. In a construction of the character de scribed, the combination witha` journal; of

a split collar having annular flange members at its opposite ends, andintermediate cylindrical portions, said collar being detachably fixedupon said journal, the flange meinbers on said collar being provided ontheir inner surfaces with annular grooves presenting opposed curvedbearing surfaces forming inner and outer raceways; a plurality ofjournal race ring members disposed about the cylindrical portions ofsaid collar in spaced relation and having their inner peripheriesbearing on said collar, each of said journal race ring members beingprovided with annular grooves upon opposite sides presenting' opposedcurved bearing surfaces forming inner and outer raceways and additionalrace ring members disposed between the jour nal race ring members andbetween the latter and the opposite end flange members on said collar;and anti-friction elements arranged between the journal race ringmembers, additional'race ring'members, and flange mem` bers'of saidcollar, said anti-friction means includingL a plurality of elements,eachV of which is disposed partly in the groove of one of said .membersand partly in the groove of the adjacent member. e

5., In an anti-friction journal bearing, the combination .with tworelatively rotatable members, one ofsaid members being in the form of ajournal and disposed within the other member; of anti-friction meansinterposed between saidrmembers, includingan annular series ofanti-friction devices having rolling movement about said journal memberand cooperating race elements mounted on said'members respectively, eachof said race elements having spacedopposed annular walls disposed aboutsaid journal member,

" said spaced walls of each element forming `Vinner and outer raceways,said series of anti- 9o Y friction devices being disposed between said*.at opposite` sides of the axis of said'journal member.

In vwitness that I claim the foregoing I have Y hereunto subscribed myname this 17th day of September 1927. y

" JOI-IN` F. OCONNOR.

Vrace elements of eachvof said devices projectV 'ing partly between theinner and outer race-` lOG ies

